Cannot sample enough valid points. (more)

\[x + \sin^{-1} \left(\cosh x\right)\]
x + \sin^{-1} \left(\cosh x\right)
double f(double x) {
        double r8904 = x;
        double r8905 = cosh(r8904);
        double r8906 = asin(r8905);
        double r8907 = r8904 + r8906;
        return r8907;
}